Why do some people vomit on planes?

When you fly, your body is working to react to varying signals of movement. The body's vestibular system senses movement in one way, but the brain interprets it differently from what your eyes actually see. Your eyes, inner ear, and brain are sensing conflicting movement, creating motion-sickness symptoms.



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Motion sickness occurs when your brain can't make sense of information sent from your eyes, ears and body. Lots of motion — in a car, airplane, boat, or even an amusement park ride — can make you feel queasy, clammy or sick to your stomach. Some people vomit. Being carsick, seasick or airsick is motion sickness.

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The following strategies can help you avoid or lessen motion sickness.
  1. Sit in the front of a car or bus.
  2. Choose a window seat on flights and trains.
  3. If possible, try lying down, shutting your eyes, sleeping, or looking at the horizon.
  4. Stay hydrated by drinking water. ...
  5. Eat small amounts of food frequently.
  6. Avoid smoking.


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Many people also report experiencing motion sickness when they're a passenger – not when they're driving a vehicle. This is probably because drivers are (unsurprisingly) much better at anticipating the motion of a vehicle and move their bodies according to the movement of the vehicle.

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Airplane passengers have an 80% chance of getting sick on a flight if they sit in the wrong spot, scientists have found. Data scientists traveled across the US on 10 transcontinental flights to investigate your risk of getting sick on a plane.

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The flight attendants will assess the situation by asking the passenger to describe their symptoms, assuming they are lucid and conscious. Depending on the case, they will administer care themselves or consult with a medical professional on board or on the ground.

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There's actually no research to show you're more likely to get sick on a plane. But any time you are in close contact with a lot of people, germs are bound to spread.

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Eat Light. Contrary to popular belief, flying on an empty stomach doesn't help you combat air sickness. In fact, an empty stomach actually exacerbates symptoms. Eat a light meal such as crackers, fruit, and other light snacks.

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The uncertainty of when or where they might become ill may start to consume all of their thinking and planning. This fear is limiting because people with emetophobia may begin to avoid certain situations where these fears are strong. For example, they might not fly on a plane or avoid other enclosed or crowded spaces.

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Motion sickness is a psychophysiological response to provocative motion. In addition to the physiological causes of motion sickness, anticipatory arousal caused by previous motion discomfort inhibits adaptation to provocative motion.

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It's a prime location for viral transmission. “If you wear a mask, that is at least one protection you can keep constant, as well as other easy mitigations, like keeping up to date with Covid vaccines, wiping down your seat and tray area, and keeping your hands clean,” says Wallace.

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Scientists analyzed your risk of getting sick when sitting in a window, middle, or aisle seat on the plane — and there's a clear winner. Data scientists have investigated how germs travel around on planes, and discovered sitting in the window seat is the best way to stay healthy.

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It's not abnormal — especially post-pandemic — to see passengers on a flight wearing medical masks. Flight attendants may make note of these passengers as potentially feeling sick, but they will also look for swollen or red eyes, sweating, or sweating when scanning guests.

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The most common in-flight medical emergencies involve:
  • Seizures;
  • Cardiac symptoms;
  • Nausea or vomiting;
  • Respiratory problems and.
  • Lightheadedness or fainting.


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While it can transpire, it's unlikely there will be a qualified medical professional in the cabin. As a result, flight attendants are responsible for caring for sick or hurt passengers.

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